Suggest me Free Computer Games form Children age 7 to 17

Hi,
I need your suggestion ,
Please give me best interesting games for children age 7 to 17.
I am going to start Summer Kids Games Program in my place.
I required only FREE GAMES which are easily downloaded from internet
The game should be very interesting to them....
I am not having so much information regarding this...
Please share your best free games which are played by you...

Advanced Thanks for all,

 

How About GTA 2 . It can be downloaded free from their site ..

 

Hi thanks for your suggestion can you briefly review about that games, Please share your opinion ,just now I heard the game and now I am looking info even though I hope you may play the game so your comment is very much helpful to me,so please write few words about that gams

 

lol, wow that's a hell of a read hahahaha

@ luckyv172: LMFAO!

 

Try browsing www.bored.com. It's not advertising though, that site is not mine.
Just like to go there in my spare times.. Quite entertaining.

 

Hey why don't you go for jump start. Its really good very informative.